许晓艳;黄越辉;刘纯;王伟胜;

• 1:中国电力科学研究院

摘要(Abstract)：

从电网电压降落角度研究光伏发电接入配电网前后电网电压的变化,分别分析单个和多个光伏发电接入对配电网电压的影响,得出了光伏发电接入后将使线路电压升高,且线路某点电压变化趋势与该点后所有负荷大小和光伏发电出力有直接关系的结论,探讨了影响电压变化的各种因素,如光伏出力大小、接入位置、电网线路参数、负荷大小等。通过算例验证了上述分析的正确性,并提出了解决分布式光伏发电引起电压越限的措施和方案,包括电抗器补偿、线路中央控制和逆变器无功控制结合、安装储能装置等。

关键词(KeyWords)： 光伏发电;配电网;电压越限;无功补偿;储能装置

Abstract:

Keywords:

基金项目(Foundation): 国家博士后科学基金项目(20090450343);; 国家电网公司科技项目(B11-10-007)

作者(Author): 许晓艳;黄越辉;刘纯;王伟胜;

Email:

DOI: 10.13335/j.1000-3673.pst.2010.10.021

参考文献(References)：

• [1]王斯成.最新世界和中国光伏动态[C]//中国可再生能源行业协会年会.2008.
• [2]赵春江,杨金焕,陈中华,等.太阳能光伏发电应用的现状及发展[J].节能技术,2007,25(5):461-465.Zhao Chunjiang,Yang Jinhuan,Chen Zhonghua,et al.State and development of photovoltaic application[J].Energy Conservation Technology,2007,25(5):461-465(in Chinese).
• [3]梁有伟,胡志坚,陈允平.分布式发电及其在电力系统中的应用研究综述[J].电网技术,2003,27(12):71-75.Liang Youwei,Hu Zhijian,Chen Yunping.A survey of distributed generation and its application in power system[J].Power System Technology,2003,27(12):71-75(in Chinese).
• [4]梁才浩,段献忠.分布式发电及其对电力系统的影响[J].电力系统自动化,2001,25(12):53-56.Liang Caihao,Duan Xianzhong.Distribution generation and its impacts on power system[J].Automation of Electric Power Systems,2001,25(12):53-56(in Chinese).
• [5]Conti S,Raiti S,Tina G,et al.Study of the impact of PV generation on voltage profile in LV distribution networks[C]//2001IEEE Porto Power Technology Conference.Porto,Portugal:IEEE,2001.
• [6]陈海炎,段献忠,陈金富.分布式发电对配网静态电压稳定性的影响[J].电网技术,2006,30(19):27-30.Chen Haiyan,Duan Xianzhong,Chen Jinfu.Impacts of distributed generation on steady state voltage stability of distribution system[J].Power System Technology,2006,30(19):27-30(in Chinese).
• [7]陈海炎,段献忠,陈金富.计及配网静态电压约束的分布式发电规划模型与算法[J].电网技术,2006,30(21):11-14.Chen Haiyan,Duan Xianzhong,Chen Jinfu.Distribution generation planning model and algorithm considering static voltage stability constrain in distribution network[J].Power System Technology,2006,30(21):11-14(in Chinese).
• [8]胡骅,吴汕,夏翔,等.考虑电压调整约束的多个分布式电源准入功率计算[J].中国电机工程学报,2006,26(19):13-17.Hu Hua,Wu Shan,Xia Xiang,et al.Computing the maximum penetration level of multiple distributed generators in distribution network taking into account voltage regulation constraints[J].Proceedings of the CSEE,2006,26(19):13-17(in Chinese).
• [9]Choi J H,Kim J C.Advanced voltage regulation method of power distribution system interconnected with dispersed storage and generation systems[J].IEEE Trans on Power Delivery,2001,16(2):329-334.
• [10]Arne Faaborg POVL SEH.Impact of power penetration from photovoltaic power systems in distribution networks[R].Fredericia,Denmark:IEA,2002.
• [11]王志群,朱守真,周双喜,等.分布式发电对配电网电压分布的影响[J].电力系统自动化,2004,28(16):56-60.Wang Zhiqun,Zhu Shouzhen,Zhou Shuangxi,et al.Impacts ofdistributed generation on voltage profile of distribution grid[J].Automation of Electric Power Systems,2004,28(16):56-60(in Chinese).
• [12]刘天琪,邱晓燕.电力系统分析理论[M].北京:科学出版社,2005:70-73.
• [13]赵争鸣,刘建政,孙晓瑛,等.太阳能光伏发电及其应用[M].北京:科学出版社,2005:98-100.
• [14]马胜红,陆虎俞.太阳能光伏发电技术4:储能蓄电池[J].大众用电,2006(4):40-43.Ma Shenghong,Lu Huyu.Photovoltaic generation technology4:energy storage battery[J].Popular Utilization of Electricity,2006(4):40-43(in Chinese).
• [15]张干周.光伏发电和蓄电池储能混合发电系统的经济性法分析[J].国际电力,2004,8(4):34-36.Zhang Ganzhou.Cost analysis for hybrid PV-BESS system[J].International Electric Power for China,2004,8(4):34-36(in Chinese).